arboreal vs forestial

arboreal

adj
  • Of, relating to, or resembling a tree. 

  • Covered or filled with trees. 

  • Living in or among trees. 

noun
  • Any tree-dwelling creature. 

forestial

adj
  • Of, like, or having to do with a forest. 

  • Relating to forestry (cultivating forests for harvest). 

How often have the words arboreal and forestial occurred in a corpus of books? (source: Google Ngram Viewer )